.g-arrow-down {
  width: 0;
  height: 0;
  border-color: rgba(0,0,0,.5) transparent transparent;
  border-style: solid;
  border-width: 5px;
  border-bottom: 0;
}
.color-l {
  color: #999;
}
.color-d {
  color: #666;
}
.color {
  color: #222;
}